R50.9
Fever, unspecified
ICD-10 code R50.9 for Fever, unspecified
Fever NOS
Fever of unknown origin [FUO]
Fever with chills
Fever with rigors
Hyperpyrexia NOS
Persistent fever
Pyrexia NOS
ICD-10 International Statistical Classification of Diseases and Related Health Problems 10th Revision